BS EN IEC 61249-2-45:2018
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Materials for printed boards and other interconnecting structures Reinforced base materials clad and unclad. Non-halogenated epoxide non-woven/woven E-glass reinforced laminate sheets of thermal conductivity (1.0W/m K) and defined flammability (vertical burning test), copper-clad for lead-free assembly
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13-04-2018
This part of IEC 61249 gives requirements for properties of non-halogenated epoxide non-woven reinforced core/woven E-glass reinforced surface laminate sheets of thermal conductivity and defined flammability (vertical burning test), copper-clad for lead-free assembly in thicknesses of 0,60 mm up to 1,70 mm. The flammability rating is achieved through the use of non-halogenated fire retardants reacted as part of the epoxide polymeric structure. The glass transition temperature is defined to be 105 °C minimum. Thermal conductivity is defined to be (1,0 ± 0,15) W/(m•K).
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